Eat Poop You Cat
This sounds like a fun game. There is a list of examples, some are hysterical.
Here is an online version: http://www.thesentencegame.com/
This was my attempt at the online version: http://www.thesentencegame.com/view.php?gview=8415
Mine was the first drawing. Hey, it's hard to draw using only the paintbrush program and your finger on a touchpad. It actually seems to work better if you don't try too hard to make a good drawing.